Piano Man

Recording by Saxophone Rufus.

Recording identifiers

ISRC
DELJ82035633
CopyrightID (CopyrightChains transaction hash)
0x21f90169cd74f9a636665ca2d1a625b8cab139b211ca9865adb8c57f14b1b2fa
Copyright registration time
2026-06-05T06:28:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a6a78372db152cfa54c03aa449c02cf5f15a93eea97039256a19c272799f9ecd

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.